How to handle TLS alerts

[pepone.onrez]

Hi,

I'm trying to understand how to handle TLS alerts, I have set up a callback
with

SSL_CTX_set_info_callback(_ctx, ssl_info_callback);

And I can see alerts sent by the peer, does the application need to call
SSL_shutdown upon receiving
a fatal alert, or is this done automatically by the OpenSSL library?

With my testing, I see my client gets "read SSL3 alert fatal unknown CA"
after the call to SSL_connect finishes without error

Cheers,
Jose
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